Replacing Windows: Options and Features

I love homes with lots of windows. They feel open and bright. But old windows are terribly inefficient. By replacing your windows, you can cut heat loss in half. Here are new window options and features you’ll want to know about. R-Values, U-Values and SHGC R-Value: R-value is a measure of a materials ability to resist heat flow. Higher R-values mean better insulation. The less heat lost, the...